The AFB is not an original equipment part on any IH engine. Just a really nice carb on a 4 barrel. Dan Nees cookiedan@domain.elided The "Good" 1979 Scout II 345/auto The "Bad" 1971 Scout II 304/T-18 And the "Ugly" 1979 Scout II 345/auto http://members.tripod.com/~IHCaholic/scoutindex.html